* {
    box-sizing: border-box;
}

/*当前页面独有的css代码*/

.banner {
    /*固定版心布局 iPhone4 物理：640 设备独立像素：320*/
    width: 320px;
    height: 124px;
    margin: 0 auto;
}

.banner img {
    width: 100%;
}

.free {
    width: 320px;
    padding: 0 15px;
    margin: 0 auto;
    margin-top: 10px;
    background-color: #fff;

}

.mb60{
    margin-bottom: 60px;
}

.free .free-hd {
    display: flex;
    justify-content: space-between;
    line-height: 44px;
    border-bottom: 1px solid #eeeeee;

}

.free .free-hd h2 {
    font-size: 17px;
    color: #333333;
}

.free .free-hd a {
    font-size: 14px;
    color: #6A7FA5;

}

/*
css 预处理语言
less
sass

*/
.free .free-content {

}

.free .free-content .item {
    display: flex;
    padding: 15px 0;
    border-bottom: 1px solid #eeeeee;

}

.free .free-content .item .cover {
    width: 60px;
    height: 72px;
    flex-shrink: 0;
    margin-right: 10px;

}

.free .free-content .item .cover img {
    width: 100%;
}

.free .free-content .item .info {


}

.free .free-content .item .info .title {

    font-size: 17px;
    color: #333333;

}

.free .free-content .item .info .short-cut {
    font-size: 12px;
    color: #A9A9A9;
    line-height: 18px;

}

.free .free-content .item .info .price {
    font-size: 13px;
    color: #F39800;
}

/*分析：移动端 顶天立地 相对于页面一直都是在最底部 使用到 fixed 定位*/
.footer{
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 320px;
    display: flex;
    justify-content: space-between;
    padding: 0 15px;
    background-color: #fff;

}
.footer a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #7F8389;
    font-size: 12px;
    padding: 5px 0;
}
.footer a.active{
    color: #3E85C1;
}
.footer a img{
    width: 29px;
    padding-bottom: 4px;
}
